What price range did Nano Nuclear Energy (NNE) director Diane Hare receive for her share sales?

Diane Elizabeth Hare’s open-market sales were executed between $25.76 and $28.87 per share. The filing notes weighted-average prices, with supplemental ranges for trades during the day and specific single-trade prices of $27.84 and $28.87 in separate transactions.

Were Diane Elizabeth Hare’s Nano Nuclear Energy (NNE) share sales pre-planned?

Yes. The Form 4 states that the sales were executed pursuant to a Rule 10b5-1 trading plan adopted in September 2025. Such plans pre-schedule trades, indicating the timing of these June 3, 2026 transactions was determined in advance rather than made opportunistically.

Nano Nuclear Energy (NASDAQ: NNE) director sells 3,428 shares after RSU vest

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Nano Nuclear Energy Inc. director Diane Elizabeth Hare reported a vesting and sale of shares tied to equity awards. On June 3, 2026, 3,428 shares of common stock were issued upon vesting and settlement of Restricted Stock Units valued at $29.18 per RSU. She then sold 3,428 shares in multiple open-market trades at prices between $25.76 and $28.87 per share under a pre-arranged Rule 10b5-1 trading plan, ending with no directly held common shares while retaining unvested RSUs.

Insider Trade Summary 10b5-1

Net Seller: 3,428 shares ($91,322)

Net Sell 6 txns

Insider Hare Diane Elizabeth

Role null

Sold 3,428 shs ($91K)

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	3,428	$0.00	--
Exercise	Common Stock	3,428	$0.00	--
Sale	Common Stock	2,228	$26.309	$59K
Sale	Common Stock	1,000	$27.035	$27K
Sale	Common Stock	100	$27.84	$3K
Sale	Common Stock	100	$28.87	$3K

Holdings After Transaction: Restricted Stock Units — 2,968 shares (Direct, null); Common Stock — 3,428 shares (Direct, null)

Footnotes (1)

Represents shares of common stock issued upon the vesting and settlement of certain Restricted Stock Units ("RSUs") granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per RSU of $29.18, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on June 3, 2025. On June 3, 2026, such RSUs were vested and settled. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. This transaction was executed in multiple trades during the day at prices ranging from $25.7600 to $26.7300. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. This transaction was executed in multiple trades during the day at prices ranging from $26.7600 to $27.4600. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. This transaction was executed at a price of $27.8400. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. This transaction was executed at a price of $28.8700. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

Key Figures

Shares sold: 3,428 shares Sale price range: $25.76–$28.87 per share RSUs vested: 3,428 RSUs +4 more

7 metrics

Shares sold 3,428 shares Open-market sales on June 3, 2026

Sale price range $25.76–$28.87 per share Prices for June 3, 2026 open-market trades

RSUs vested 3,428 RSUs Vesting and settlement on June 3, 2026

RSU valuation $29.18 per RSU Based on June 3, 2025 closing stock price

Remaining RSUs 2,968 RSUs Unvested RSUs following the conversion transaction

Common shares after sales 0 shares Direct common stock holdings after final sale

Transaction date June 3, 2026 Date of RSU vesting and all reported trades

Key Terms

Restricted Stock Units, Rule 10b5-1 trading plan, weighted-average price, Equity Incentive Plan

4 terms

Restricted Stock Units financial

"Represents shares of common stock issued upon the vesting and settlement of certain Restricted Stock Units ("RSUs") granted on June 3, 2025"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Rule 10b5-1 trading plan regulatory

"This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted-average price financial

"This transaction was executed in multiple trades during the day at prices ranging from $25.7600 to $26.7300. The weighted-average price is reported above."

Equity Incentive Plan financial

"RSUs granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per RSU of $29.18"

An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

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Form 4 Insider Transactions: What Each Field Means →

06/05/2026 - 06:12 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hare Diane Elizabeth

(Last)

(First)

(Middle)

10 TIMES SQUARE, 30TH FLOOR

(Street)

NEW YORK

10018

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Nano Nuclear Energy Inc. [ NNE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/03/2026		M⁽¹⁾		3,428	A	$0	3,428	D
Common Stock	06/03/2026		S⁽²⁾		2,228	D	$26.309⁽³⁾	1,200	D
Common Stock	06/03/2026		S⁽²⁾		1,000	D	$27.035⁽⁴⁾	200	D
Common Stock	06/03/2026		S⁽²⁾		100	D	$27.84⁽⁵⁾	100	D
Common Stock	06/03/2026		S⁽²⁾		100	D	$28.87⁽⁶⁾	0	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units⁽¹⁾	$0⁽¹⁾	06/03/2026		M			3,428	⁽¹⁾	⁽¹⁾	Common Stock	3,428	$0	2,968	D

Explanation of Responses:

1. Represents shares of common stock issued upon the vesting and settlement of certain Restricted Stock Units ("RSUs") granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per RSU of $29.18, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on June 3, 2025. On June 3, 2026, such RSUs were vested and settled.

2. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.

3. This transaction was executed in multiple trades during the day at prices ranging from $25.7600 to $26.7300. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

4. This transaction was executed in multiple trades during the day at prices ranging from $26.7600 to $27.4600. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

5. This transaction was executed at a price of $27.8400. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

6. This transaction was executed at a price of $28.8700. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

	/s/ Diane Elizabeth Hare	06/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Nano Nuclear Energy (NNE) disclose for Diane Elizabeth Hare?

Nano Nuclear Energy director Diane Elizabeth Hare reported RSU vesting and related share sales. She received 3,428 common shares from vested RSUs, then sold 3,428 shares in multiple open-market trades on June 3, 2026, under a pre-arranged Rule 10b5-1 trading plan.

How many Nano Nuclear Energy (NNE) shares did Diane Elizabeth Hare sell?

Diane Elizabeth Hare sold 3,428 shares of Nano Nuclear Energy common stock. The sales occurred in four open-market transactions on June 3, 2026, at per-share prices ranging from $25.76 to $28.87, according to the detailed Form 4 transaction and footnote disclosures.

What equity awards did Nano Nuclear Energy (NNE) settle for Diane Elizabeth Hare?

Nano Nuclear Energy settled 3,428 Restricted Stock Units for Diane Elizabeth Hare. These RSUs were granted on June 3, 2025 under the 2025 Equity Incentive Plan, valued at $29.18 per RSU based on that day’s closing price, and vested and settled into common shares on June 3, 2026.

How many Nano Nuclear Energy (NNE) shares does Diane Elizabeth Hare hold after the reported transactions?

After the reported transactions, Diane Elizabeth Hare held zero shares of Nano Nuclear Energy common stock directly. The Form 4 shows 0 shares following the last sale, while a separate line indicates 2,968 Restricted Stock Units remain outstanding as unvested equity awards.